The Maxpedition Micro is truly a minimalist's wallet with an ID window, two internal card compartment, and one external slip compartment. Perfect for your drivers license, some credit cards, a few notes, some coins (for a phone call), and a spare key. For the bare essentials this is the perfect wallet to slip discreetly into your pocket, freeing you from the urge to fill it full of receipts, cards and other unnecessary stuff that merely slows you down.